A thief named Egor, having served a term in prison, goes to the country to meet his pen-friend Lyuba, a kind genial village woman. Egor comes to love Lyuba sincerely. Now he has friends, work and a beloved woman, he decides to break with his criminal past and start a new life. However, his former criminal associates interfere brutally.
On their way to a Black Sea resort, a Siberian tractor driver and his wife make new friends and take a detour to Moscow.
Before the end of the Second World War, a special commando marches into a mental hospital located in a beautiful manor house to eliminate the patients. But the Gestapo has received an anonymous letter saying that an enemy agent is hiding among the madmen. Officer Windisch is tasked with finding a simulant among several hundred mental patients in a matter of days.
